namespace WorkingWithVisualStudio.Models
{
  public class SimpleRepository
  {
    private static SimpleRepository sharedRepository = new SimpleRepository();
    private Dictionary<string, Product> products = new Dictionary<string, Product>();
    public static SimpleRepository SharedRepository => sharedRepository;
    public SimpleRepository()
    {
      var initialItems = new[]
      {
        new Product{Name="Kayak",Price=275M},
        new Product{Name="Lifejacket",Price=48.95M},
        new Product{Name="Soccer ball",Price=19.50M},
        new Product{Name="Corner flag",Price=34.95M}
      };
      foreach(var p in initialItems)
      {
        AddProduct(p);
      }
      products.Add("Error", null);
    }
    public IEnumerable<Product> Products => products.Values;
    public void AddProduct(Product p) => products.Add(p.Name, p);
  }
}
